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PSS to OSN: distance & flight time
Posadas (Libertador Gral D Jose De San Martin Airport) → Osan (Osan Air Base)
11,744 mi
18,900 km · 10,205 nm
23h 30m
estimated nonstop flight time
+12h
time difference · heading north
See live PSS→OSN fares Phone-only fares on this route — call free
Flight time details
11,744 miles nonstop takes roughly 23h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
- OSN — Osan Air Base · Osan, South Korea
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PSS
- ENO · Encarnación Airport14 mi away
- AYO · Juan De Ayolas Airport54 mi away
- SRA · Santa Rosa Airport96 mi away
- ELO · El Dorado Airport110 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is PSS from OSN?
The flight distance from Posadas (PSS) to Osan (OSN) is 11,744 miles (18,900 km, 10,205 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSS to OSN?
A nonstop flight takes about 23h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Posadas and Osan?
Osan is 12 hours ahead of Posadas.
What is the cheapest way to fly from PSS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–OSN that never appear on search engines, with no booking fees.